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Long-Term Debt And Other Long-Term Liabilities (Narrative) (Details) - USD ($)
Nov. 01, 2022
Apr. 29, 2022
Sep. 03, 2020
May 10, 2018
Sep. 30, 2022
Jul. 01, 2022
Dec. 31, 2021
Oct. 19, 2021
Apr. 21, 2021
Debt Instrument [Line Items]                  
Long-term debt         $ 0   $ 19,200,000    
Exit Credit Agreement                  
Debt Instrument [Line Items]                  
Current ratio of credit facility     1.00            
Interest Coverage Ratio     2.50            
Exit Credit Agreement | Long-term Debt                  
Debt Instrument [Line Items]                  
Long-term debt         0   $ 0    
Exit Credit Agreement | July 1, 2022 to September 30, 2022 [Member]                  
Debt Instrument [Line Items]                  
Net leverage ratio     3.25            
Exit Credit Agreement | Revolving Credit Facility [Member] | Eurodollar [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     5.25%            
Exit Credit Agreement | Revolving Credit Facility [Member] | Alternate Base Rate [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     4.25%            
Exit Credit Agreement | Revolving Credit Facility [Member] | Alternate Base Rate [Member] | Subsequent Event                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate 4.25%                
Exit Credit Agreement | Revolving Credit Facility [Member] | Adjusted Term Secured Overnight Financing Rate | Subsequent Event                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate 5.25%                
Exit Credit Agreement | Term loan [Member] | Eurodollar [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     6.25%            
Exit Credit Agreement | Term loan [Member] | Alternate Base Rate [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     5.25%            
Exit Credit Agreement | Letter of Credit [Member]                  
Debt Instrument [Line Items]                  
Letters of Credit Outstanding, Amount         $ 2,700,000        
Exit Credit Agreement | Secured Debt [Member]                  
Debt Instrument [Line Items]                  
Debt instrument maturity date     Mar. 01, 2024            
Exit Credit Agreement | Secured Debt [Member] | Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Credit facility maximum credit amount     $ 140,000,000     $ 31,300,000   $ 80,000,000 $ 140,000,000
Exit Credit Agreement | Secured Debt [Member] | Revolving Credit Facility [Member] | Subsequent Event                  
Debt Instrument [Line Items]                  
Credit facility maximum credit amount $ 35,000,000                
Exit Credit Agreement | Secured Debt [Member] | Term loan [Member]                  
Debt Instrument [Line Items]                  
Credit facility maximum credit amount     $ 40,000,000            
Superior Credit Agreement                  
Debt Instrument [Line Items]                  
Credit facility maximum credit amount       $ 250,000,000          
Superior Credit Agreement, Term       5 years          
Credit facility current credit amount       $ 200,000,000          
Superior Credit Agreement | Fed Funds Effective Rate Overnight Index Swap Rate                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       0.50%          
Superior Credit Agreement | Minimum | London Interbank Offered Rate (LIBOR)                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       2.00%          
Superior Credit Agreement | Minimum | Thirty-Day LIBOR Rate                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       1.00%          
Superior Credit Agreement | Maximum | London Interbank Offered Rate (LIBOR)                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       3.25%          
Superior Credit Agreement | Maximum | Thirty-Day LIBOR Rate                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       2.25%          
Amended Superior Credit Agreement                  
Debt Instrument [Line Items]                  
Credit facility maximum credit amount   $ 200,000,000              
Superior Credit Agreement, Term   4 years              
Credit facility current credit amount   $ 135,000,000              
Amended Superior Credit Agreement | Secured Overnight Financing Rate (SOFR)                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate   0.10%              
Amended Superior Credit Agreement | Fed Funds Effective Rate Overnight Index Swap Rate                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate   0.50%              
Amended Superior Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR)                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate   2.75%              
Amended Superior Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR)                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate   3.75%